Ubuntu will not boot after a hard shutdown

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http://askubuntu.com – I clean installed Ubuntu 12 several months back on Toshiba Satellite laptop and have had no problems. System was up to date working great. A couple days ago I tried the option of "suspend" instead of shutting down and could not resume. Had to do a hard shutdown and now I can't reboot. All I see after GRUB is black screen with flashing cursor in upper left corner of screen. Have seen many similar problems listed and tried many of the solutions suggested while booting from a live CD but still can't get to the root of the problem. Plan is to boot from partition CD to check if my drive went bad la (HowTos)